@@ -0,0 +1,35 @@
+diff -up postfix-2.5.5/src/util/sys_defs.h.large-fs postfix-2.5.5/src/util/sys_defs.h
+--- postfix-2.5.5/src/util/sys_defs.h.large-fs 2008-01-15 01:51:44.000000000 +0100
++++ postfix-2.5.5/src/util/sys_defs.h 2008-10-21 17:55:29.000000000 +0200
+@@ -709,8 +709,8 @@ extern int initgroups(const char *, int)
+ #define GETTIMEOFDAY(t) gettimeofday(t,(struct timezone *) 0)
+ #define ROOT_PATH "/bin:/usr/bin:/sbin:/usr/sbin"
+ #define FIONREAD_IN_TERMIOS_H
+-#define USE_STATFS
+-#define STATFS_IN_SYS_VFS_H
++#define USE_STATVFS
++#define STATVFS_IN_SYS_STATVFS_H
+ #define PREPEND_PLUS_TO_OPTSTRING
+ #define HAS_POSIX_REGEXP
+ #define NATIVE_SENDMAIL_PATH "/usr/sbin/sendmail"
+diff -up postfix-2.5.5/src/util/fsspace.c.large-fs postfix-2.5.5/src/util/fsspace.c
+--- postfix-2.5.5/src/util/fsspace.c.large-fs 2006-06-15 20:07:16.000000000 +0200
++++ postfix-2.5.5/src/util/fsspace.c 2008-10-21 17:56:29.000000000 +0200
+@@ -91,8 +91,15 @@ void fsspace(const char *path, struct
+
+ if (statvfs(path, &fsbuf) < 0)
+ msg_fatal("statvfs %s: %m", path);
+- sp->block_size = fsbuf.f_frsize;
+- sp->block_free = fsbuf.f_bavail;
++ if (fsbuf.f_frsize > 0)
++ sp->block_size = fsbuf.f_frsize;
++ else
++ sp->block_size = fsbuf.f_bsize;
++ /* 4G of FS blocks is surely enough space to put a mail in */
++ sp->block_free = 0;
++ sp->block_free = ~sp->block_free;
++ if (fsbuf.f_bavail < sp->block_free)
++ sp->block_free = fsbuf.f_bavail;
+ #endif
+ if (msg_verbose)
+ msg_info("%s: %s: block size %lu, blocks free %lu",
|